Intermittent blue screen flash

Ever since I updated to 4.4.2 I've had blue screen flashes. Its happened using different apps. Did a recovery to no avail. Is this a known issue in firmware or do you think it's a hardware issue? DRMHD

Ever since I updated to 4.4.2 I've had blue screen flashes. Its happened using different apps. Did a recovery to no avail. Is this a known issue in firmware or do you think it's a hardware issue? DRMHD